* {
    margin: 0;
    padding: 0;
    list-style: none;
}
a{
    text-decoration: none;
}

.center {
    width: 1200px;
    margin: 0 auto;
}

/* top start */
.top {
    /* width: 100%; */
    min-width: 1200px;
    background: #333333;
}

.top-t {
    height: 40px;
    line-height: 40px;
    display: flex;
    justify-content: space-between;
}

.top-t .top-t-1 ul {
    display: flex;
    justify-content: space-between;
}

.top-t .top-t-2 ul {
    display: flex;
    justify-content: space-between;
}

.top-t .top-t-1 ul li,
.top-t .top-t-2 ul li {
    font-size: 12px;
}

.top-t .top-t-1 ul li a,
.top-t .top-t-2 ul li a {
    color: #b0b0b0;
    padding: 0 6px;
    border-right: 1px solid #3c3f3c;
    text-decoration: none;
}

.top-t .top-t-1 ul li:first-child a {
    padding: 0 6px 0 0;
}

.top-t .top-t-1 ul li:nth-last-child(2) {
    position: relative;
}

.top-t .top-t-1 ul li:nth-last-child(2):hover::after {
    display: block;
}

.top-t .top-t-1 ul li:nth-last-child(2):hover::before {
    display: block;
}

.top-t .top-t-1 ul li:nth-last-child(2)::before {
    content: "";
    display: none;
    position: absolute;
    top: 21px;
    right: 20px;
    border-bottom: 10px solid #fff;
    border-top: 10px solid transparent;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
}

.top-t .top-t-1 ul li:nth-last-child(2)::after {
    content: "@@@";
    display: none;
    position: absolute;
    top: 40px;
    right: -20px;
    width: 100px;
    height: 125px;
    background: url();
    background: #fff;
    box-shadow: 2px 2px 2px 2px #eee, -2px 2px 2px 2px #eee;
}

.top-t .top-t-2 ul li:last-child a {
    border: none;
    padding: 0 0 0 25px;
}

.top-t .top-t-2 ul li:last-child {
    position: relative;
    z-index: 555;
    background-color: #424242;
}

.top-t .top-t-2 ul li:last-child i {
    position: absolute;
    left: 9px;
    color: #b0b0b0;
}

.top-t .top-t-2 ul li:last-child:hover {
    background-color: #fff;
}

.top-t .top-t-2 ul li:last-child:hover .t-er2 {
    display: block;
}

.top-t .top-t-2 ul li:last-child:hover a,
.top-t .top-t-2 ul li:last-child:hover i {
    color: #ff6700;
}

.top-t .top-t-2 ul li:last-child .t-er2 {
    display: none;
    width: 400px;
    height: 125px;
    line-height: 125px;
    box-shadow: 3px 3px 3px 2px #eee, -3px 3px 3px 2px #eee;
    background-color: #fff;
    z-index: 555;
    position: absolute;
    right: 0px;
    top: 40px;
    font-size: 12px;
    text-align: center;
}

.top-t .top-t-2 ul li:nth-last-child(2) a {
    padding: 0 10px 0 0;
    border: none;
}

.top-t .top-t-1 ul li:hover a,
.top-t .top-t-2 ul li:hover a {
    color: #fff;
}

/* top end */

/* daohang start */
.nav{
     position: relative;
    z-index: 888; height: 100px;
}
nav {
   
    line-height: 100px;
    display: flex;
    justify-content: space-between;
   

}

.nav-l img {
    width: 50px;
    height: 50px;
    margin-top: 25px;
}

.nav-c>ul {
    display: flex;
    justify-content: space-between;
}

.nav-c>ul li {
    margin: 0 10px;
    /* position: relative; */
}

.nav-c>ul li:hover .c-1 {
    display: block;
}

.nav-c>ul li .c-1 {
    display: none;
    position: absolute;
    left: 50%;
    width: 100%;
    height: 290px;
    box-shadow: 2px 2px 3px 2px #b0b0b0;
    transform: translate(-50%);
    background: #fff;
    z-index: 998;
}

.nav-c>ul li .c-1 .c-2 {
    background: #fff;
    position: relative;
    top: 0;
    /* width: 100%; */
    height: 290px;
    z-index: 997;
}

.nav-c>ul li .c-1 .c-2>ul {
    display: flex;
    justify-content: space-between;
}

.nav-c>ul li .c-1 .c-2>ul li {
    width: 230px;
    height: 240px;
    margin: 30px 0;
}




.nav-r .nav-rr{
    position: relative;
    width: 330px;
}
/* .nav-r .nav-rr input:hover,.nav-r .nav-rr input:hover+.rr-1,{
    border: 1px solid #b0b0b0;
} */
.nav-rr input {
    width: 280px;
    height: 50px;
    outline: none;
    border: 1px solid #e0e0e0;
}
.nav-rr input:active,.nav-rr input:active+.rr-1{
    border: 1px solid #ff6700;
}
.nav-rr .rr-1{
    width: 50px;
    height: 50px;
    line-height: 50px;
    float: right;
    border: 1px solid #e0e0e0;
    transform: translate(0,25px);
}

.nav-rr:hover .rr-2{
    display: block;
}
.rr-2{
    display: none;
    position: absolute;
    top: 75px;
    left: 0px;
    z-index: 666;
    width: 280px;
    height: 270;
    background: #fff;
    border: 1px solid #ff6700;
}
.rr-2>ul>li{
    height: 30px;
    line-height: 30px;
    padding-left: 20px;
}
.rr-2>ul>li:hover{
    background-color: #fafafa;
}

/* daohang end */